Asteroid General Data

2021 AJ

General information

Preliminary designation	2021 AJ
Group	Apollo
Absolute magnitude	26.64
Approximate diameter (m)	12
Approximate mass (kg)	3.56·10⁶
Number of observations	23
Arc length (days)	4

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	308.641224
a – orbit major semiaxis (astronomical units)	1.27525200
e – orbit eccentricity	0.34342000
ω – orbit ascending node-perihelion angle (degrees)	248.290414
Ω – longitude of orbit ascending node (degrees)	284.403008
i – orbit inclination to the ecliptic plane (degrees)	16.623324

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	208.029722	1.27544052	0.34209063	246.565960	285.739440	16.716471	0.83912427	1.440426
01/21/1858	259.896113	1.27526215	0.34204820	246.813098	285.543327	16.709923	0.83906103	1.440124
01/29/1887	315.214381	1.27544863	0.34229019	247.020766	285.358861	16.703044	0.83887508	1.440440
02/07/1916	11.709422	1.27508530	0.34239359	247.248847	285.167385	16.698963	0.83850427	1.439824
02/14/1945	70.222045	1.27460969	0.34218163	247.503604	284.972954	16.696138	0.83846166	1.439019
02/22/1974	121.478936	1.27578783	0.34260531	247.634788	284.785302	16.685908	0.83869614	1.441014
03/02/2003	175.621622	1.27372898	0.34215873	248.091067	284.571042	16.678286	0.83791148	1.437527
03/09/2032	237.304330	1.27533622	0.34340374	248.308765	284.371519	16.625487	0.83738099	1.440249
03/17/2061	290.402695	1.27652061	0.34386183	248.425615	284.167540	16.605951	0.83757390	1.442256
03/25/2090	335.988485	1.27619226	0.34378648	248.703841	283.980131	16.604072	0.83745462	1.441700
04/03/2119	22.657434	1.27800892	0.34459958	248.851260	283.756020	16.575526	0.83760758	1.444779
04/10/2148	48.639573	1.27927708	0.34523656	248.958800	283.570755	16.560202	0.83762387	1.446930
04/18/2177	68.825790	1.27910184	0.34541192	249.163309	283.379925	16.554136	0.83728482	1.446633

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